|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 |
function
quickSort(arr){ if(arr.length<=1){ return
arr; } var
num = Math.floor(arr.length/2); var
numValue = arr.splice(num,1); var
left = []; var
right = []; for(var
i=0;i<arr.length;i++){ if(arr[i]<numValue){ left.push(arr[i]) }else
{ right.push(arr[i]) } } return
quickSort(left).concat(numValue,quickSort(right)) ; } |
|
1
2
3 |
var
arr=[4,35,45,66,12,33,89,8];var
re=quickSort(arr); console.log(re);//[4, 8, 12, 33, 35, 45, 66, 89] |
命名空间
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 |
var
namespace = function(ns){ var
parts = ns.split(‘.‘); var
i,len, obj = this; for( i=0,len=parts.length;i<len;i++){ if(!obj[parts[i]]){ obj[parts[i]] = {}; } obj=obj[parts[i]]; } return
obj; } |
|
1
2
3
4
5
6 |
namespace(‘test‘);namespace(‘test.books‘).test=‘book.test‘;console.log(test); console.log(test.books); |
原文：http://www.cnblogs.com/iyueyao/p/3621989.html